Sideman

[Julian]

An irrelevant and powerless guy, also known as a flowerman and shows signs of moist and soggy behaviour.
There are two types of [Sidemen]:

the Bupsed guy who finances a girls shopping sprees and receives no sex in return.
the general [wetwipe]; often a guy who is emotionally unstable, and isnt rated by anybody -- not even friends.

A Sideman is the male counterpart to a [Sidechick].

[Zipporah Schumaker]

A supporting musician in a jazz band or rock group.